This California-owned 2004 Audi S4 Sedan features a 6-speed manual transmission and Audi's Quattro all-wheel drive system, enhanced with an AWE cat-back exhaust and a Jackal Motorsports ECU tune. It boasts desirable factory equipment including the Premium and Infotainment packages, 18-inch wheels, leather upholstery, and Recaro seats, and comes with a clean Carfax report. The vehicle shows various exterior blemishes, a dent on the driver's side rear quarter panel, interior wear, and some missing underbody components, with recent maintenance performed at 149,109 miles.